[  473.067558] netdevsim netdevsim377 eni377np1: renamed from eth0
[  473.067988] netdevsim netdevsim655 eni655np1: renamed from eth1
[  473.140105] Could not find device with ifindex 2000 in netnsfd 11
[  473.140179] Could not find netns with fd: 2000
[  473.140221] Cannot link a netdevsim to itself
[  473.140268] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).